Question

Identify the GCF of 10x4y3 - 5x3y2 + 20x2y.

10x2y
10x3y
5x2
5x2y
@rational @magepker728 @jim_thompson5910

Answer 1

Firstly what is the GCF of the numbers 10 , 5 and 20 ?

Answer 2

- the greatest number which will divide into all these 3 numbers

Answer 3

5

Answer 4

20 i mean

Answer 5

nah 5

Answer 6

no 20 won't divide into 5!
you were right first time...

Answer 7

oh okay.

Answer 8

so you can eliminate a and b options already

Answer 9

now what about GCF of x^2, x^3 and x^4?

Answer 10

its D.

Answer 11

recall the laws of indices for division

x^5 / x^3 = x^(5-3) = x^2

Answer 12

right

Answer 13

D?

Answer 14

yes